anthropic

Anthropic: Claude Opus 4

Name: Anthropic: Claude Opus 4
Creator: anthropic
Published: 2025-05-22T16:27:25.000Z

Claude Opus 4 is benchmarked as the world’s best coding model, at time of release, bringing sustained performance on complex, long-running tasks and agent workflows. $15 per million input tokens, $75 per million output tokens. 200,000 token context window, maximum output of 32,000 tokens. Includes independent benchmarks from Artificial Analysis.

View source on OpenRouter

Overview

Model specifications

Context: 200,000 tokens
Maximum output: 32,000 tokens
Architecture: text+image+file->text
Tokenizer: Claude
Knowledge cutoff: 2025-01-31
Moderated: No

OPENROUTER

Complete pricing

Synchronized OpenRouter rates. Token prices are shown per one million tokens.

Input: $15
Output: $75
Cache read: $1.5
Cache write: $18.75
Cache Write (1h): $30

API

Model configuration

Reasoning

Moderated: No
Default parameters: No

API

Quick start

Call this exact model ID through OpenRouter’s OpenAI-compatible API.

curl https://openrouter.ai/api/v1/chat/completions \
  -H "Authorization: Bearer $OPENROUTER_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"model":"anthropic/claude-opus-4","messages":[{"role":"user","content":"Hello!"}]}'

Capabilities

Input → Output

Input

imagetextfile

Output

text

Reasoning

API

Supported API parameters

include_reasoningmax_tokensreasoningstoptemperaturetool_choicetoolstop_p

Available providers

1 Provider

Live providers on OpenRouter

Provider availability, latency, throughput and routing can change continuously. Open the source page for current operational data.

OpenRouter

Google

unknown

Context: 200K
Maximum output: 32K
Input: $15.00
Output: $75.00
Cache read: $1.50
Cache write: $18.75

anthropic

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Context: 1M
Input: text · image · file
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Context: 1M
Input: text · image · file
Output: text

Input: $5.00Output: $25.00per 1M tokens

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Context: 1M
Input: text · image · file
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Input: $2.50Output: $12.50per 1M tokens

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Input: text · image · file
Output: text

Input: $2.00Output: $10.00per 1M tokens

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